<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>主页面</title>
    <link rel="stylesheet" href="./css/index.css">

</head>

<body>
    <div class="w main">
        <div class="header">12</div>
        <div class="siderbar">
            <ul>
                <li class="btn1"><a href="#">菜单1</a></li>
                <li class="btn2"><a href="#">菜单2</a></li>
                <li class="btn3"><a href="#">菜单3</a></li>
                <li class="btn4"><a href="#">菜单4</a></li>
            </ul>
        </div>
        <div class="content">
            <!-- <div>菜单1内容。。。</div> -->
        </div>
    </div>
    <script src="./js/lib.js"></script>
    <script src="./js/index.js"></script>
</body>

</html>